Loose-leaf binder



7 Sept?. 23, 1930l w. F. sAD'rLER 1,775,376

LQOSE LEAF BINDER Filed July 15, 1927 2 Sheets-Sheet l W 04 1N NToR.

' 1 @d /l I ,d i l,

AORNEY.

' Patented Sept. 23,1193() g A WILLI'JMLF. sA-DTLER, or 'BAnTnvroRn MARYLAND,

. LOOSE-LEAF BiNJJERA v y' :I vii- `-The invention f relates tol improvements looseleafbindersfand moreparticularly to novel andus'eful interlocking devicesforsuch bindersfivherein-the leaves 'are'held ,byfen l ggagenientvv-ith "a pluralityof yleriblev members,`"suclijasstrapsfor/bands; which inturn aredetachably fastened to the cover in different jpositions'to accommodatedierent numbersand thicknesses Vof the bound leaves. *10' Y Objects Vand advantages'of ftheKY invention are set forth inpart hereinafter; and in part t Willbe obvious,herefrom,"or may belearn'ed by,practicingrr Ythe invention ;j thel 'same being realized and attained bym'efan's olfvinstru-y Y' T115 mentalities pointed'uout ilnQtluarprv appended The invention consists; inthe novel parts', combinations,Y lrnprovements,` constructions,

andJ arrangementsfherein'sliovvn and Y de- Y ferred'to and constituting a part hereolfillustrate one 'embodiment f of the invention;v and y together V"with the accompanying vdescription 'i2 25 serve to explaintheprinciples jofthe'inveni tionf iff 5 i. is A an perspective Y 'vievv of i abinderembodyln'g my lnvention;

' 6-,6foi' Fig. 5.1. Y 1;. f 'f The-'invention isy1"directedr to producingv a simple, Sturdy., economicaland-securely hold"- ing 'loose-leaf binding'Y device; which vsimple e section l on "thel line i and easy tomanipulate and providesk a very WideV and `minute range ,lof positional variaftio'nof the leaf-holdinggmeans,to accommo- V datediii'ciences in the number and thickness *"ofthe bound leaves.k l,With this in view, I

" have provided an exceedingly simple and securefastening device which passesl into 50, locking engagement a mere pressure and fstructed and arranged if desired? i y f frig. A 5 liaglneritarysfwfsilowing a' v somewhat different "formfrom 3;? and 1927. serial Nb.y 206,014#4 l' ipullupon the binding`straps or likeeiible i members', and may be in turn disengaged by a simplel reversepressureb"4 Iy provide also kfora lateral movement of the binding means, -Wherebya 'minuteness' of positional variation "55 `iseffected for the interlocking means Without sacrificing either the sturdiness, simplicity, security or ease of operatlonof thedevice.

f "The invention lendsitse'lf, While retaining the advantagesV outlined, to separate applica- 400 apart ,key-hole slots vvhichgreceiveaf'flat 70 flexiblestrap `or like `member 3, which `liesin the elongated'V inner partothe slots tof hold the leaves in position in a" Well-known man'- 'neiz The le'xiblemernbers Spareconnected at their lix'ed'endsfin any' suitable manner',y at 75V '21 to'theback edge' of one ofthe covers'ofthe binderfWVhile only oneend ofthe flexible l Vmembers 3 are usually variably position'able,`

it-Will be clear thatfbotli ends maybe sofoon- Referring primarilyfto they embodiment of my invention as applied? ,separately to axplu- 'r'ality'of flexibler straps or meinbers (Figs. Vl y and these exible` members vpass through theslot's oi" flikeffasteiiing devices in 8.5 the back /edgesof the leaves, and lthence in Wardly 'through guiding andho'lding Vapertures flO'k "formed inftherear'edge of the'othei f f cover?mennoer'11v in anyE suitable manner;

AThe"Cover"frnem'ber '11 Sisfof'laminatedfstruc 9U ture,'and between the outer land" inner layers l151 anfdfl is ametal'fpl'atel2; the rear edge of which fis 'doubled over and A'spacedfapart,

asshow'n :atlftoform'thelreardge of the lcover member, the openings IO'bein'gformed 95 in `the "rearv "ed'gef of this bent-'ovenl part.

kAbove and beneath the plate 12 arecover Vplates" 14 andlipforrjned' Ofcardboard or iotherTlight, ,stiftmaterial` `The layer llhas portions cutout tofformlfwell-spaccdapart, 100

i recessed channels v16, in the cover member14,

the straps 3.l 7

thereby exposing the metal plate 12. ViPlate 12 is spaced from the Ycover plate 15 by means of layer 111', which may be formed of ythin strips of material or a sheet provided with openings similar to the openings in sheet 14:;-

the layer-,.lllfthusv formsa recess 17 ,beneath the plate 12 which allows the veasy insertionl and removal of hook member 21.- These channels asgshown in Fig. 1 are in prolonga-- tion with the apertures 10 and in vthem vlie VThe interlocking holding means attached to the straps 3 embody the features andad-` vantages of passing intoiirm holding en'-v gag-ementjby mere k*pressure and remaining. Y.

.firmly interlocled, and` againdisengag-ing as readily by a reverse pressure. As embodied,

' I have aiixed vmetaljor other rigid plates 20 Yto theouterends oity the flexible members 3, and'havejformedin these kplates struckup,v

and rearwardly-beveled fingers or'l hooks 21.

the .asteningdevices a series of these holes is vformed in'kfthree rowsY in'staggered rela? Vtion, thereby providing a'minuteness of positional .echange while retaining Vthe full strength and simplicity oi the structure, the

vflexible straps being movable laterally suiii-l vciently Arto-engage.y iny they holes of any ofthe rows. Y y y. Y In Vaccordance with one-feature lof the ,1n-

vention (Figs. 3 and 4) a'single, fastening means isprovidedcfor -afpluralityjof the iiexible members '3,2 and -in Ythe embodied forln thereof, a transversely-disposed bar 2K5 isconnected Vat its ends/23 and24, respec- Vtively, with the iexible members '3, extend? Q40 l this fform, va single holdingfmechanismist provided', locatedmedianlyon'the crossbar" n ,y y t two -ex1ble members attached tothe. back f ing inwardly throughffth'eapertures 10. In.

Y 25, and being similar in construction to that previously described. '-As embofdied va'j for'- ward projection "26, 'in the central [part of j "thebar/25-has a .hook-21S Av single series; of

holes 22, similar,- tof those previously' de-' l scribed-gis formed` inthe -plate ,12",l and consisting, asembodied, of 3 rows-constitute aV similar fminutely variable,positioninguneans cooperating with the hook 21. ;The beveled forni ofgthe hooi; 21 with the rearwardly ex 'Y ltending 'flat ,portioncai'fises r -thefhook'fto fenfsage/.with improper-hole bv merely pressing the fastenin'g outwardly Vor Y. downwardly k;'

' land"` the hook may-be vdisengaged from the Y holeibya pull in reverseidirectiomhook 21V N cooperating with anyy one :otth'e KYholes 22' c t formsapivotalholdingdevficefthatequalizes thetension/exerted on the flexible members 3V Y Y allowing -ba.r25' some movement about i .J f i f Y 'hQQlI'QLQM il 7*' InV accordanc Y wahren@ feature imei-n; vention V(..liigsf 5 and" 6)k thesingle variably 'l .Y Positibilablefastenngfmeansis .ntilzedgas. i i

retaining vmeans Yfor aplurality ofilexible members.y In thisform'a ybari29 is fixed at its ends 30fand 31tothe central vpart of the front and rear ends V,of the recessed portion of the cover, the holes 22being formed ink outer layer 1-5 of the cover, and the cross bar 25 isv located in this space,`,fthe hookf21 be-- ing on the upper side of the cross'bar.

It will'be understood, `oi lcourse, that bodiment of my invention without departing fromthe principles thereof and without sacrificing itsv mainv advantages.V

What Iclaim'is-e#` c. Y 1. An adjustable binderinclu'dingin combin'ation: a plural-ity kof lcover, members f and 1" tachedf at; one end toonej ofsaiclcover memof. holding devices 'adapted to engage with l Y saidrgid ydevice andarrangedf in staggered i closeorderuon saidothercoverrmember,"' Y p l,2. vvIn an adjustable binden, Aflexible {member- :fastening 'means comprising a .metal therein, and Yinterlocking means A comprising a flat, rigid. metal device containing a tongue engageV in 'any one of said .holes'.

, 3; An adjustabiefbinder including in @mi bination covery members, flexible members at- Y sheet having a plurality' of rowsjof holes" c vmemberextending atan angle'vfrom saidg'de'-` Y vice, said tongue-member. beingfadapted'f to tached toone of said" covers, holding means the;` other cover *and adapted to` overlieand engage the'holding means. i,

Z'IAH adjustable bunder V atjthefreevend of said flexible members and 'n ,Y

a .rigid device lspaced from and carried yby:k

combination; afpair of cover members having f i flexible members and extending across therebetween, vafmember extending across the-secl edge of one fc'over `member andrwell 'spaced`- apart, a rigid device having 'a locking por# Y c c c `l`no vtion andattached tothe free-'ends ofboth f ond;v cover member l and i over said frigid` .de-v f `vice andserving tofh'old thejil'atter `iii-posi;`

operate l withV rigid device.

Y Y 115: tion 'on the coverfand providedfwith aY plu- I, ralityof-k interlock-ing (devices adaptedftol ,co-Vv f f the lockingr portinvfon said; y

this bar. This baris spaced away` from the 70. Y

. Y 'i5Y f changes maybe made in the details ofem-c 

